Beschreibung

Returns an array with the key sizes supported by the specified algorithm.
If it returns an empty array then all key sizes between 1 and
mcrypt_module_get_algo_key_size() are supported by the
algorithm.

Parameter-Liste

algorithm

The algorithm to be used.

lib_dir

The optional lib_dir parameter can contain the
location where the algorithm module is on the system.

Rückgabewerte

Returns an array with the key sizes supported by the specified algorithm.
If it returns an empty array then all key sizes between 1 and
mcrypt_module_get_algo_key_size() are supported by the
algorithm.